69488927 has 2 divisors, whose sum is σ = 69488928. Its totient is φ = 69488926.

The previous prime is 69488921. The next prime is 69488929. The reversal of 69488927 is 72988496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69488927 - 2⁶ = 69488863 is a prime.

It is a super-2 number, since 2×69488927² = 9657421951222658, which contains 22 as substring.

Together with 69488929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69488921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34744463 + 34744464.

It is an arithmetic number, because the mean of its divisors is an integer number (34744464).

Almost surely, 2^69488927 is an apocalyptic number.

69488927 is a deficient number, since it is larger than the sum of its proper divisors (1).

69488927 is an equidigital number, since it uses as much as digits as its factorization.

69488927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 53.

The square root of 69488927 is about 8336.0018594048. The cubic root of 69488927 is about 411.1230897221.

The spelling of 69488927 in words is "sixty-nine million, four hundred eighty-eight thousand, nine hundred twenty-seven".